counsellor vs pleader

counsellor and pleader both are nouns.

Word	Noun	Adjective	Verb	Adverb
counsellor	Yes	No	No	No
pleader	Yes	No	No	No

As nouns, counsellor and pleader are synonyms defined as:

Other synonyms of counsellor include advocate, counsel, counselor-at-law, counselor.

counsellor (noun)	pleader (noun)
a lawyer who pleads cases in court	a lawyer who pleads cases in court
someone who gives advice about problems
someone who has supervisory duties at a summer camp