keeper, herder, watchman

• mani n-nyɛ n tizo maa gula? am I my brother's keeper? [GEN 4:9]
• kum ni nyɛ bɛ gula Death will be their shepherd. [PSA 49:14]
• n zaŋ a leela Izraɛlnim’ gula I am making you a watchman for the Israelites. [EZK 3:17]