It will be a long-term companion care, Mostly companionship & babysitting. Monitoring his daily activities, sometime he might need assistance to the bathroom,

He has a small balance issue, watch him closely, assist him whenever he needed & prevent him falling down. He can get in & out bed, just make sure the walker is close by.
Keep him hydrate, active & walking.

Must have CPR & First Aid Training. CNA & HHA are a plus.