This is a list of everything that you can do daily (I may of accidentally missed some):

1. Get a berry off of the berry master (route 208).
2. Get a berry off of the girl in Floarama town.
3. Get a berry off of the girl in Pastoria city.
4. (If you have access to it) get a spa treatment in the Resort area Ribbon Club.
5. (If he/she is there) battle your rival (fight area).
6. Catch Pokemon in the Great Marsh.
7. Catch Pokemon in the Trophy Garden.
8. Catch Pokemon in Pal Park.
9. Show the man in Solaceon town the Pokemon he wants.
10. Show the man in route 221 the level pokemon he wants.
11. Get a Pokemon from the Swarms (a girl in Sandgem tells you where some Pokemon are).
12. Get a ribbon from telling a story to the girl in Sunyshore.
13. Get a massage for your Pokemon (Veilstone City).
14. Listen to a trendy saying (Snowpoint City).
15. Get a lottery ticket (Jubilife TV station).
16. Battle the trainer in Jubilife TV station (there's a new one every day).
17. Battle the trainers in the seven stars resturant (there are new ones every day).

Hope it helps!!!
P.S. Please Rate!!!
P.P.S. Please tell me if I missed any out!!!