maverick:1

noun
mav*er*ick \ ˈmav-rik \ ˈma-və- \
1867{ds||1||}
  • an unbranded range animal; especially : a motherless calf
  • an independent individual who does not go along with a group or party

maverick:2

adjective
maverick \
1886
  • characteristic of, suggestive of, or inclined to be a maverick
Powered by Merriam-Webster