delta male

noun3

1. •
   A male without an authoritative position or role in social or group hierarchy; a male commoner.

   • The Delta male is in fact quite an attraction to certain women. Shyness in a man can be mistaken for the mystique in the Bravo male and can initiate an attraction, which can lead to more. — 2014
2. •
   A male animal that ranks fourth in the social hierarchy.

   • In one multi-male group, the alpha male assumed the aggressive role 45 % of the time, nine times more frequently than the delta male. — 1969
3. •
   An average man.