According to Vedic astrology, Sun sitting in the 7th house indicates the person will have sharing, caring, and strong bonding nature. If you want to know the effect of the Sun in the 7th house, then I recommend you go for Kundli analysis and get solutions for the problems you are facing right now.

https://www.vinaybajrangi.com/planets/sun/sun-in-seventh-house.php

https://www.vinaybajrangi.com/astrology-houses/seventh-house.php

https://www.vinaybajrangi.com/kundli.php