Christ warned us about immaturity in God's co-workers.1. The Spiritually immature = milk-fed = fleshly = have jealousy/strife. (v.1-3)2. Over-loyalty to certain persons is a sign of immaturity. (v.4-5)3. The mature know their place, and support all glory going to God. (v.6-9)Why are some people good co-workers and others not?Who lives on milk, and what does that mean? Hebrews 5:11-14If we chase celebrity Christians, what does it show? 1 Peter 2:1-5What must you do to be the greatest in the kingdom? Luke 22:26