How can one restore their reputation and social standing and change people's perception after committing an inappropriate act, knowing that they have repented and performed Hajj, and how can one resist returning to sins when alone?

Praise Allah for repentance and for not dying while persisting in sin, and for the scandal occurring in this world and not the Hereafter. Do not let your concern be the reputation people have of you, but rather the satisfaction of Allah, for "people's satisfaction is an unattainable goal." If you satisfy Allah, He will be pleased with you and make people pleased with you. But if you satisfy people by incurring Allah's displeasure, He will be displeased with you and make people displeased with you, as stated in the Hadith. We advise you to stay away from sins and strive to attain Allah's pleasure.