Do you support a spouse or common law partner, or a dependant with a physical or mental impairment? The Canada care giver credit (CCC) is a non-refundable tax credit that may be available to you.
https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-return/completing-a-tax-return/deductions-credits-expenses/family-caregiver-amount.html?utm_campaign=not-applicable&utm_medium=vanity-url&utm_source=canada-ca_caregiver-credit