For a person with the Sun in the 7th house, partnership relationships will play a key role in their life. This is the house of partnership relationships. And this topic is of crucial importance for a person with the Sun in the 7th house. They are oriented towards interaction, contact, and building personal relationships. Such a person feels very comfortable in a pair with a partner - we solve everything together. They cannot be alone for a long time, as they manifest themselves through partnership interactions.
Very often there is a joint business with a spouse, some common cause. Or if a woman has the Sun in the 7th house, she may help in her husband's business, do something for the development of his business, support him.
The 7th house also shows the person's popularity. But not just me alone, look at: what I am and what I have achieved, but WE. We have achieved together, through joint efforts.
It often happens that partners are bright, famous, or charismatic, successful people.
The Sun, as an image of the father. The father is perceived as a close, dear person. More often a close friend, with whom one can share one's innermost thoughts.