ruffian

Short definition from Wiktionary

Noun

1. 1
   A scoundrel, rascal, or unprincipled, deceitful, brutal and unreliable person.
2. 2
   A pimp; a pander.
3. 3
   A lover; a paramour.

Verb

1. 1
   To play the ruffian; to rage; to raise tumult.

Adjective

1. 1
   Brutal, cruel, ruffianlikes.