Term: troubleshooter: a worker whose job is to locate and fix sources of trouble (especially in mechanical devices)
Broader: person: a human being | Unrelated: cheerer: a spectator who shouts encouragement
Broader: person: a human being | Unrelated: presbyter: an elder in the Presbyterian Church
Broader: person: a human being | Unrelated: trio: a musical composition for three performers
Broader: person: a human being | Unrelated: discernability: distinctness that makes perception easy
Broader: person: a human being | Unrelated: platinum black: a fine black powder of platinum; used as a catalyst in chemical reactions
Broader: person: a human being | Unrelated: quartering: dividing into four equal parts
Broader: person: a human being | Unrelated: oil shale: shale from which oil can be obtained by heating
Broader: person: a human being | Unrelated: linnet: small Old World finch whose male has a red breast and forehead
Broader: person: a human being | Unrelated: gambelia: leopard lizards
Broader: person: a human being | Unrelated: gulf: an unbridgeable disparity (as from a failure of understanding)