The following was sent to us by a pastor's wife of a supporting church. I thought it was well written and helps even our family know how to be more sensitive to traveling missionaries at our home church in MN when we are home.
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Pre-field and supported missionaries travel many hours, take great effort, and exert much energy in ministering to churches. Encourage traveling missionaries by extending the following acts of kindness:1. Prepare for their arrival by praying for their ministry, knowing their names, meeting them at church on time, and having a display table ready and technology assistance available.

2. Welcome them with a basket containing snacks, drinks, fruits, maps of the city and church building, a detailed schedule, expectations of meetings, list of contact numbers (cell phone #s).
3. Pay for their hotel lodging, especially if they have small children.
4. Provide a local map featuring locations of the church, post office, discount stores, library, parks, mall, free Internet access, coffee and sandwich shops, and special attractions.
5. Stretch their dollars by providing prepaid credit cards, gas cards, restaurant cards, and discount-store cards (such as Target or Wal-Mart).
6. Outfit them with over-the-counter medicine that have long-term expiration dates.
7. Supply church and/or school curriculum and teaching aids; for example, workbooks, flannelgraph, maps, flashcard stories, craft kits, and posters.
8. Provide gift certificates to local museums, professional ball games, beauty shops, Christian bookstores, bowling lanes, golf courses, or indoor/outdoor swimming pools.
9. Pack a picnic, blanket, and directions to a local park so they can enjoy a relaxed lunch (not every meal needs to be Martha Stewart caliber).
10. Provide travel kits for children, including items such as non-messy snacks, juice boxes, wet-wipes, travel games, Aquadoodle toys, color/activity books, crayons, magnet pictures, and Old Maid/Go Fish cards.
11. Send them off with a wrapped surprise box (to be opened after they've traveled fifty miles) containing non-messy snacks, fruits, drinks, candy, gum, restaurant and gas cards, a Christian CD, granola bars, and lotion.
Online Source:
Deb Hindal, GARBC International Ministries