Generic
"Yes, buying and selling Dwarven artifacts without an Imperial charter is illegal. But I've never heard of anyone pinched for it."
Class-Specific
Acrobat
"Llevana Salaren at the Temple in Molag Mar is the most knowledgeable acrobat I know. I didn't say BEST acrobat. There's [sic] others who can leap higher and jump farther, but she can TALK acrobat talk better than any other acrobat I've ever met."
Agent
"Mervs Uvayn has been an agent for House Hlaalu for quite a while. You'll find him at the Hlaalu Council Manor in Balmora. Talk to him if you want to know about the agent's trade."
Alchemist/Alchemist Service
"Anarenen at the Ald'ruhn Guild of Mages is happy to talk your ear off about alchemy. He's been on Vvardenfell a while, and knows everything there is to know about practicing the profession here."
Apothecary Service
"Tendris Vedran is the person I'd talk to if I wanted to know about the apothecary's trade in Morrowind. I've spoken with him on several occasions, and he's smart, well-spoken, and well-informed."
Archer
"If you want to talk to an archer about archery, talk to Ian in Ebonheart. You can usually find him wandering around on the plaza near the docks, where the dragon statue is."
Assassin/Assassin Service
"Most assassins don't like to talk about their trade. Take the Morag Tong, for instance. Tight-lipped about everything. But Ingokning, the assassin at the Skyrim Mission in Ebonheart? He [sic] doesn't mind talking. In fact, he'll [sic] bend your ear if you aren't careful."
Barbarian
"Briring is a barbarian at the Skyrim Mission in Ebonheart. He's remarkably educated and well-spoken for a barbarian, but he knows the things a barbarian should know."
Battlemage/Battlemage Service
"Albecius Colollius is a veteran battlemage. He hangs out at Arrille's Tradehouse in Seyda Neen. Talk to him if you want to know about battlemages and how they work here in Morrowind."
Clothier
"If you need to know about clothes, and you want to talk to a clothier, talk to Milie Hastien in Balmora."
Crusader
"There's a crusader in residence at Desele's House of Earthly Delights in Suran. His name is Snorri. Talk to him if you want a good, long lecture on a crusader's experiences on Vvardenfell."
Drillmaster
"Flaenia Amiulusus is a drillmaster at the Balmora Fighters Guild. If you want to talk to someone about the drillmaster's trade, she's the one I'd pick."
Enchanter/Enchanter Service
"If you want to talk to an enchanter about enchanting, try Galar Rothan at the Telvanni Council House. He's not a stiff shirt like a lot of the Telvanni wizards, and he knows his stuff."
Healer/Healer Service
"Are you interested in the healer's trade in Morrowind? Maybe you should talk with Ygfa at Fort Pelagiad in Pelagiad village. She's very nice, experienced, and very patient with questions."'
Hunter
"Have you met Gudling the Rascal in your travels? Lately he's taken up residence at St. Veloth's Hostel in Molag Mar. If you're interested in the hunter's craft, he's worth talking to."
Knight/Bard
"My notion of the ideal knight is an Orc named Dumbuk gro-Bolak. He serves with the Legion under General Darius up in Gnisis. You'll usually find him in the barracks. Look him up. He knows his trade, and Vvardenfell."
Mage/Mage Service
"If you want to know everything there is to know about being a mage, let me suggest Estirdalin at the Balmora Mages Guild. You want to talk to an expert in the trade, patient, and well-spoken -- someone who likes to talk about the subjects. You don't want a trainer -- not unless you expect to pay for the information. And you don't want someone too busy or important to talk to you. Try Estirdalin. He's [sic] smart, friendly, and ready to talk."
Master-at-Arms
"The master-at-arms at Fort Pelagiad, Angoril, is a good source if you are curious about the master-at-arms's trade in Morrowind. He's a little long-winded, but he knows his stuff, and he's always willing."
Merchant
"If you need to know something about the merchant's trade, talk to Bolrin in Ebonheart at the East Empire Company Hall. He's been a merchant with the East Empire Company here for years, and he knows his stuff."
Monk/Monk Service
"You should speak with the monk An-Deesei at the Argonian Mission. If the monk's life interests you, that is."
Nightblade/Nightblade Service
"Eraamion at the Caldera Guild of Mages is a useful resource if you have questions about the nightblade's trade as it is practiced in Morrowind."
Pilgrim
"Artisa Arelas is a well-traveled and knowledgeable pilgrim. She works over in the Canon Offices at the Temple. If you're polite and respectful, she'll answer any questions you have."
Priest/Priest Service
"Vala Catraso at the Ald'ruhn Guild of Mages runs a little class for new arrivals in Vvardenfell. And, by the way, she is also happy to talk about her vocation as priest."
Rogue
"Athal Nerano is the proverbial 'silver-tongued rogue'. He knows the rogue's trade, and loves to talk about it. He lists his residence as Madach's Tradehouse in Gnisis."
Scout
"If you want to know about a place on Vvardenfell, talk to a scout. And the scout I'd talk to is Elone. You can find her at Arrille's Tradehouse in Seyda Neen. She's traveled all over the island."
Smith
"If you want to talk to a smith about his trade, talk to Garothmuk gro-Muzgub. He is not a master smith, but he's well-spoken, friendly, and knows a lot about smithing in Morrowind."
Sorcerer/Sorcerer Service
"If you want to know the sorcerer's tricks and trade, talk to Smokey Morth at Varo's Tradehouse in Vos. It's a long trek, but few sorcerers are as friendly and down-to-earth as Smokey."
Spellsword
"If you want to talk with a spellsword with extensive experience in Morrowind, talk to Strillian Macro at the barracks in Gnisis. He's served with several garrisons on Vvardenfell, knows the island and its people, and doesn't mind taking time out to talk with anyone who shares his interest in his profession."
Thief/Thief Service
Fenas Madach is the thief's thief. Retired, of course. Or so he says. He has a business up in Gnisis, Madach's Tradehouse. You want to talk shop with a thief, go talk to Fenas Madach.""
Trader/Trader Service
"You want to know about traders and how they work in Morrowind, talk to Nalion at the Gateway Inn in Sadrith Mora. He knows what he's talking about."
Warrior
"If you were to ask me for the model of a warrior, I'd have to say Miles Gloriosus. He's at the Andus Tradehouse in Maar Gan right now, on a crusade to kill off all the monsters sneaking through the Ghostfence, but he always has time to talk with an admirer."
Wise Woman/Wise Woman Service
"It's hard to find a wise woman who'll talk about her trade. If you're interested, you might try Maela Kaushad in Vos. She married a villager, left the tribes, and settled down in town."
Witchhunter
"If you're looking for someone to talk to about the witchhunter's trade in Morrowind, you should talk to Melvure Rindu at the Hall of Justice in Vivec."
Location-Specific
Molag Mar
"Most pilgrims will need guards and guides to reach the pilgrim sites, but someone like you should have no trouble on your own. Follow Foyada Ilibaal northwest to Mount Kand, then Mount Assarnibibi is northeast of Mount Kand, across Foyada Zabirbael. Just take your time, keep landmarks in sight, and be ready to hoof it back to the stronghold if you get in trouble."