Nonconformist (3,5)

(Other definitions for rebel that I've seen before include "Resist authority" , "Non-conformist" , "revolutionary" , "(One who) revolt(s)" , "Refuse orders" .)

(Other definitions for dissident that I've seen before include "Political nonconformist" , "One opposing official policy" , "Insets did for one who opposes authority" , "Protester" , "Rebel, protestor" .)

(Other definitions for dissenter that I've seen before include "one not C of E" , "One who differs among residents" , "One who objects" , "One expressing disagreement" , "One who disagrees among residents" .)

(Other definitions for unorthodox that I've seen before include "Not conventional" , "Contrary to what is usual" , "Indifferent response" , "Irregular" .)

(Other definitions for misfit that I've seen before include "Person who cannot integrate into society" , "Someone not suited" , "Person unsuited to environment" , "Weirdo" , "One can't adapt to their circumstances" .)

(Other definitions for oddball that I've seen before include "Eccentric person like peculiar sphere" , "Eccentric person like uneven sphere" , "Weird" , "Strange person (colloq.)" , "Unusual" .)

(Other definitions for heretic that I've seen before include "contrarian" , "Nonconformist" , "Person of unorthodox beliefs" , "Misbeliever" , "Person in conflict with Roman Catholic dogma" .)