#gave instructions to the second group

"commanded the second group"

#You must also say, 'Your servant Jacob

Possible meanings are 1) "You will say also, 'Your servant Jacob'" or 2) "You will say, 'Also, Your servant Jacob.'"

#I will appease him

"I will calm him down" or "I will make his anger go away"

#he will receive me

"he will welcome me kindly"

#So the gifts went on ahead of him

Here "gifts" stands for the servants taking the gifts. (See: [[:en:ta:vol2:translate:figs_metonymy]])

#He himself stayed

Here "himself" emphasizes that Jacob did not go with the servants. (See: [[:en:ta:vol2:translate:figs_rpronouns]])