If the other party sues, you and lessor A shall be jointly and severally liable. According to the law, in litigation, individual industrial and commercial households take the owner registered in the business license as the party. If there is a font size, the registered font size shall be indicated in the legal documents. If the owner registered in the business license is inconsistent with the actual operator, the owner and the actual operator shall be the same litigant. You and lessor A are jointly and severally liable with the litigants.