G. Collins identifies nine sources of stress, most of which are experienced during a missionary s first term on the field:
1. Loneliness
2. Pressure of adjusting to a foreign culture
3. Constant demands on ones time
4. Lack of adequate medical facilities
5. Overwhelming workload and difficult working conditions
6. Pressure to be a constant, positive witness to nationals
7. Confusion over ones role within the local church
8. Frequent lack of privacy
9. Inability to get away for recreation and vacation

Marge Jones with E. Grant Jones, Psychology of Missionary Adjustment, n.d.