svengali

/svษ›ล‹หˆษกษ‘หli/

IPA: /S V EH1 NG G AA1 L IY0/

noun
  1. 1

    One who manipulates or controls another as by some mesmeric or sinister influence; especially a coach, mentor or industry mogul.

Source: https://en.wiktionary.org/wiki/svengali