Complex sentence: The community is an old one, hostile to new comers and fiercely against any change what so ever, the few successful business men in the area being very protective of the interest to the detriment of community growth as a whole.
Split into simpler sentences: The community is an old one, hostile to new comers and fiercely against any change what so ever. The few successful business men in the area are very protective of their interests to the detriment of community growth as a whole.