1 Corinthians 16:10

Now if Timotheus come, see that he may be with you without fear: for he worketh the work of the Lord, as I also do (KJV)

Then: The Corinthians already knew who Apollos and Timothy were. Both had spent time in Corinth, yet Paul is still concerned Timothy be welcomed with open arms so he can do the Lord's work with enthusiasm and joy, not fear. "If" implies doubt as to travel plans. Nothing is settled, but Paul is preparing the Corinthians for a visitor.

Now: Paul's comments exhibit a person who cares about his team members - for their work and for their personal well-being. Teams without this aspect can expect failure because Jesus' second greatest command is "Love one another."