1) Awl 2) Buckaroo 3) Buckeroo 4) Cowboy 5) Cowgirl 6) Cowhand 7) Cowherd 8) Cowman 9) Cowpoke 10) Cowpuncher 11) Gaucho 12) Sparring partner 13) Vaquero 1) Cattleman 2) Cow follower 3) Cowboy 4) Cowhand 5) Cowherd 6) Cowman 7) Cowpoke 8) Cowpuncher 9) Ending with cow or hole 10) Israeli pop music group 11) Ranch hand 12) Someone who delivers punches 
• (n.) One who, or that which, punches.
Punch'er noun One who, or that which, punches. 
[n] - someone who delivers punches