Noun
One who, or that which, scales; specifically, a dentist's instrument for removing tartar from the teeth.
Source: Webster's dictionaryBut from now on act the part. You will be amazed at the number of people you fool. Don't share your doubts! Life is a game, Scaler. Play it like that. David Gemmell
Smith (1999) p. 10 He spent the following few summers working as a timber scaler at Warm Springs, developing relationships with its people that were less rooted in academia. Source: Internet
One high scaler was able to save life in a more direct manner: when a government inspector lost his grip on a safety line and began tumbling down a slope towards almost certain death, a high scaler was able to intercept him and pull him into the air. Source: Internet