in D&P hes actually called the move TUTOR but hes in pastoria
You go to the Survival Area and his house is on the left of the Pokemon center
go to the guy in Canalave City the house by the pokemart (diamond and pearl)
Same as in Pearl and Diamond, Pastoria City.
You can not get a shovel in Pokemon Diamond and Pearl. But you can get an explorer kit to dig underground in diamond & pearl. To get a explorer kit you go to Eterna City and go to the house next to the Pokemon center. Talk to the old man in there and he will give you a explorer kit.
There is only one berry house throughout the whole of Pokemon diamond/pearl but there is a flower shop where you can get free berries in floaroma town.
in the city where the firs gym is
same place in diamond/pearl, in Jubilife City
You can't
Well, she is in pearl too and I think she is a ghost.
Buck's house is the one to the left of the poke center in the survival area.
It is in pastoria city the house close to the water
You need to use rock climb to get to his house.