 You need to commit yourself to prayer and teaching God's word, studying God's word, and let the deacons handle that sort of detail. So if we continue in this verse, Paul tells Timothy to exercise. Exercise yourself towards godliness. This is the present active imperative of the verb gumnazo. Gumnazo, G-U-M-N-A-Z-O, gumnazo. We get the English word gem from that.