steal vs stealer

steal and stealer both are nouns.

Word	Noun	Adjective	Verb	Adverb
steal	Yes	No	Yes	No
stealer	Yes	No	No	No

steal (noun)	stealer (noun)
a stolen base; an instance in which a base runner advances safely during the delivery of a pitch (without the help of a hit or walk or passed ball or wild pitch)	a criminal who takes property belonging to someone else with the intention of keeping it or selling it
an advantageous purchase

steal (verb)	stealer (verb)
steal a base
move stealthily
take without the owner's consent