# to be healed of

"to recover from" 

# the wounds that the Arameans had given him

"wounds that Joram got during the battle with the Aramean army" 

# against Hazael king of Aram

"against Hazael king of Aram and his army" 

# Jehu said to the servants of Joram

This refers to the officers who were with Joram at Ramoth Gilead.

# If this is your opinion

"If you truly want me to be your king"

# in order to go tell this news in Jezreel

"to warn king Joram and his army in Jezreel"