What To Do When The Kitten Is Fearful Of New Humans?

What to do when the kitten is fearful of new humans? What to do when the cat doesn’t want to use its litter box?

What to do when the cat doesn’t want to use its litter box? How can I get my cat or kitten off of my lap?

How can I get my cat or kitten off of my lap? Where are kittens socialized before they go home with me/my family for good in California ?