Entertainers
Concept · Stellaris 4.5.2
Entertainers in the Stellaris encyclopedia: Entertainers turn Consumer Goods into Unity and Amenities.
Entertainers in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Entertainers turn Consumer Goods into 
Unity and 
Amenities.
It is said there are only two types of lifeforms in the galaxy: the entertainers, and the entertained.
Source: common/game_concepts (concept_entertainer) and localisation/english, Stellaris Cygnus v4.5.2 (9776).