agent provocateur

/หˆeษช.dส’ษ™nt หŒpษนษ™สŠ.vษ’k.รฆ.tสŠษ™(ษน)/

IPA: /EY1 JH AH0 N T P R OW0 V AA0 K AH0 T ER0/

noun
  1. 1

    A person who secretly disrupts a group's activities from within the group; an instigator, troublemaker.

Source: https://en.wiktionary.org/wiki/agent%20provocateur