Answer: stakeholder

AnswerCrossword Clue
STAKEHOLDERPart-owner, say
stakeholder(in gambling) An independent party with whom each of those who make a wager deposits the money or counters wagered
stakeholderA person with an interest or concern in something, esp. a business
stakeholderDenoting a type of organization or system in which all the members or participants are seen as having an interest in its success
stakeholdera person entrusted with the stakes of bettors