Your leaseholder is causing you problems, your obligations are ..
You decide to rent your condo with a lease … this short-term solution can be advantageous but you should know that according to Article 1079 of the Civil Code of Quebec, the syndicate can, after notifying the landlord and the tenant, ask the termination of the lease of a unit when the breach of an obligation by the tenant causes serious injury to a co-owner or other occupant of the building.
However, if, after several warnings, you decide to cancel the lease, you must know that the termination of the lease is the responsibility of the Régie du logement and that you have only two possible cases to take back your home, the recovery of your home for you or your home. family and for major renovation or expansion. The following link will take you to the Régie du logement website for more details.
https://www.rdl.gouv.qc.ca/en/lessor-s-right-to-terminate-a-lease