All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
There is no harm on you for these non-Muslims to attend your wedding banquet and it is permissible for you to accept their gifts. However, you should be secure from having a feeling of affection towards them as it is not permissible for a Muslim to take the non-Muslims as helpers, friends, or protectors. The Prophet accepted the gifts of non-Muslims. Imaam Al-Bukhari reported that the king of Aylat (currently a city overlooking the red sea between
As regards the ruling about working as a tourist guide, then there are some details about it. If this work is to guide them to visit what is permissible like public places and natural landscapes and the like, then this is permissible. On the other hand, but if this work entails guiding them to what is not permissible like places where intoxicants are sold, brothels and the like, then this work is not permissible as it is helping in sin and transgression and Allaah says (which means): {Help you one another in virtue, righteousness and piety but do not help one another in sin and transgression.}[5:2].
Allaah knows best.