betrayer(NOT LOYAL)
traitordisapproving
SMART Vocabulary: related words and phrases
Disloyalty, betrayal & treason
adulterous
backstabber
betrayal
betrayer
break ranksidiom
chicane
deserter
desertion
faithless
faithlessly
faithlessness
false
fifth column
stab someone in the backidiom
tergiversation
throw someone to the lionsidiom
throw someone under the busidiom
traitor
treasonable
unfaithfulness