# those people

the people whom the locusts were stinging

# but only to torture them

"but only given permission to make them suffer terrible pain"

# to torture them for five months

The locusts would be allowed to do this for five months.

# the sting of a scorpion

A scorpion is a small insect with a poisonous stinger at the end of its long tail. The sting can cause severe pain or even death.