I. ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
1. : a skilled workman employed to locate causes of trouble in machinery and technical equipment and to make needed repairs — called also trouble man
2. : an expert at clearing or bridging an obstruction at a critical point or restoring flow past a bottleneck in political, military, or business affairs or industrial relations : a mediator of disputes come to an impasse
II. noun
: a person skilled at solving or anticipating problems or difficulties