Help! Pleas

[sacry]

Hi
could any one help me to learn my doberman whos age is 3 monthes
not to bit any one , not to bark and not to stop while iam walking & learn it to walk whith the leash ,
not to take food from any one exept me , not to walk with any one exept me and to get any thing which is desappeard ..... and more things pleas