Robber

Robber , noun

One who robs; in law, one who feloniously takes goods or money from the person of another by violence or by putting him in fear.

Some roving robber calling to his fellows. — Milton

Collocations (3)

Robber crab (Zoology) , (a) A purse crab (b) Any hermit crab.

Robber fly (Zoology) , Same as Hornet fly, under Hornet.

Robber gull (Zoology) , a jager gull.