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