Words to Describe informers

How informers often is described ("________ informers")

• amateur
• regular
• arab
• private
• principal
• corrupt
• greedy
• zealous
• polish
• civilian
• infamous
• chief
• most
• official
• many
• called
• undercover
• political
• potential
• indian
• vile
• common
• confidential
• notorious
• reputed
• fresh
• time
• vexatious
• unpaid
• soviet
• reliable
• ubiquitous
• unprincipled
• professional
• african
• public
• casual
• palestinian
• anonymous
• german
• faceless
• best
• mercenary
• unjust
• criminal
• key
• irish
• juvenile
• suspected
• perjured
• native
• possible
• female
• willing
• shameless
• numerous
• vilest
• hired
• secret
• paid
• communist
• voluntary
• alleged
• petty
• unofficial
• other
• malicious
• false
• hooded
• local
• rewarding
• busy