Totaly lost

I suspect he likes you but not necessarily in that way or enough to lose his job.
Carers can obviously have relationship with the general public, but not those they care for in a paid capacity. That would open them up to being accused of abuse and even losing the right to work in that line. Proceed with extreme caution or better still look for someone where there isn't that conflict of interest... If a nurse it could get him struck off.