moving

hi 

i have visited gran caneria many times over last 10 yrs and hope to move to the island by end of 2020. there are a few things i would be grateful for your help/advise

1 i am 58 year old  male  dementia nurse in uk, wotking in clients homes, care homes and hospital settings. =can i do the same in  gran canceria. . i only wish to work part time

2 how can i rent property before i buy for 6 months 

3 how can i open a gran caneria bank account

4 i have a british passport plus european passport as i was born in ireland. both valid

5 i used to run my own home care agency and would like to see what opportunties there were for this on island

6 i will try and learn spanish whilst there but do i need to know language to work first

many thanks if you can help with any of the above

ps i have a cat called dasiy who i would like to live with me . what are the restictions/laws