Here is a link to a post by Mrs. Elaine Wallace on the subject of hospitality (Elaine is the wife of Pastor Paul Wallace, minister of Magherafelt Reformed Baptist Church here in Northern Ireland):

Hospitality, my conclusions. « Home but not Alone

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Daniel Ritchie
Saintfield, Northern Ireland - Queen's University, Belfast:History/Politics
Member of Dromara Reformed Presbyterian Church of Ireland (Covenanter)