They are helped through difficult relationships and emotional difficulties. Such a focus encourages fellowship. Luke describes Barnabas' heartfelt response to the needs of fellow believers in only two verses. You could define the human aspect of the first Christian fellowship in one word . . . Barnabas gives us an example.
Hospitality makes the church a home.
Hospitality is an evangelistic tool, leaving a lasting impression on visitors and breaking down misunderstandings or resistance. Hospitality meets benevolent needs. Hospitality serves to strengthen new converts. Hospitality creates fellowship. Pulpit Helps, Jan 1989.