An arsonist is a person who deliberately sets fire to property or other objects. The crossword solutions for this term include 'FIREBRAND' (9 letters), which is someone who stirs up trouble or rebellion; 'INCENDIARY' (10 letters), which is something that is designed to start fires; 'torcher' (7 letters), which is someone who sets fires; 'PYROMANIAC' (10 letters), which is someone who has an obsession with setting fires; 'TORCH' (5 letters), which is a device used to set fires; 'PYRO' (4 letters), which is a shortened form of PYROMANIAC; 'FIREBUG' (7 letters), which is another term for an arsonist; 'ABET' (4 letters), which is to encourage or assist someone in doing something wrong; 'FELON' (5 letters), which is a person convicted of a serious crime; and 'LIGHTER' (7 letters), which is a device used to start fires.