1) Aggressor 2) Assailant 3) Assaulter 4) Attacker 5) Bully 6) Hooligan 7) Rowdy 8) Rowdy sort 9) Ruffian 10) Thug 11) Tough 12) Yobbo 13) Yobo 1) Ape 2) Bullyboy 3) Go on 4) Hooligan 5) Muscleman 6) Ruffian 7) Skinhead 8) Yob 9) Yobbo 10) Yobo 
Roughneck is a slang term for a person whose occupation is hard-manual labor working on oil rigs. The term applies across a number of industries, but is most commonly associated with oil rigs. The ideal of the hard-working, tough roughneck has been adopted by several sports teams who use the phrase as part of their name or logo. Originally the ter...
see rotary helper 
Drill crew members who work on the derrick floor, screwing together the sections of drillpipe when running or pulling a drillstring.
Roughneck is slang for a rough or violent person; thug.