fellow fossil hunter allows you to help with a dig, usually means you provide money, food, tools, and other supplies, and the unique chance to watch someone else work a fossil site.
To dream that you invite persons to visit you, denotes that some unpleasant event is near, and will cause worry and excitement in your otherwise pleasant surroundings. If you are invited to make a visit, you will receive sad news. For a woman to dream that she is invited to attend a party, she will have pleasant anticipations, but ill luck will mar them.