# a certain people

"a group of people" This refers to the Jews as an ethnic group.

# scattered and distributed

"who live in many different places"

# provinces

A province is a large area into which some countries are divided for the purposes of government. See how you translated this in Esther 1:1.

# the king's ... the king

"your ... you" 

# it is not suitable for the king to let them stay

"the king should remove them"