Fire Fighter

Some adventurers learn to put fires out far more effectively than others. These civic minded sorts are more adept at extinguishing fires wherever they choose to and are particularly effective in civilized areas.

From: https://www.carrionfields.net/helpsearch.php?keywords=%27DISTINGUISHED+EXTINGUISHER%27

'DISTINGUISHED EXTINGUISHER' (3706)

Some Therans are so experienced in putting out fires (both naturally
occurring and those ignited by mortal hands) that they are not only able
to reliably extinguish fires more effectively, they have honed the skill
necessary to put out larger urban fires.

See also: EDGES, EXTINGUISH, IGNITE, PYROMANIAC