chickenhawk

Short definition from Wiktionary

Noun

1. 1
   Any of the North American hawk species (Cooper's hawk, sharp-shinned hawk and red-tailed hawk), or counterparts elsewhere, mistakenly believed to be pests.
2. 2
   A draft dodger, especially in the Vietnam War, who nonetheless currently supports United States overseas military engagements.
3. 3
   An older, usually more powerful man who preys on adolescent boys for sex.