Here is the full list of all 16 16bit Trader achievements.
Complete all side quests.
Play for 10 consecutive days.
Roam the roads of Asavala.
Penetrate the mines of the Kingdom.
Gain 1000000 gold before the 1500th day.
Play for 5 consecutive days.
Explore the mines and ruins.
Earn Murrevorra’s honorary citizenship
Earn the title Head of the Trade Council.
Gain Losidofian engineers recognition.
Earn 150000 gold in one transaction.
Gain Spive’s Thieves Guild recognition.
Hire 30 companions.
Help the monks of Lackov.
Prove your bravery and become a knight.
Tame the waves of all of the seas.