Pyromancer
Concept · Stellaris 4.5.2
Pyromancer in the Stellaris encyclopedia: Pyromancers turn Consumer Goods into Unity, Amenities and Stability
Pyromancer 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.
Pyromancers turn Consumer Goods into 
Unity, Amenities and Stability
After spending years honing their ability to spot ripples of the future in the flickering of flames, skilled practitioners of the art exchange their skills for patronage by the ruling elite.
Source: common/game_concepts (concept_inf_pyromancer, also concept_inf_pyromancers) and localisation/english, Stellaris Cygnus v4.5.2 (9776).