Inside Canda Caregivers under lmia are the only eligible applicants for in-home caregiver TFW program. Outside applicants must apply through the new pilot programs. If you wish to benefit from the in-home caregiver LMIA route, then Quebec must be the province of destination.And try to read this link, this is more specific.
https://www.canada.ca/en/employment-social-development/services/foreign-workers/caregiver.html