tribesman

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A man who is a member of one's own tribe.
• noun A member of a tribal people.

from The Century Dictionary.

• noun A man belonging to a tribe; a member of a particular tribe, or of the same tribe as the person speaking or referred to.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A male member of a tribe.
• noun An abstract tribesperson; any tribesman or tribeswoman.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun someone who lives in a tribe