Dhar went back to the estate and met with his father making sure that his brother is okay.
He explained what is Sam going to do if they don't agree with the deal first and then later explained the deal.
The tribe head could only pull his hair in frustration.
He couldn't disobey the goddess' will.
He is not as detached to the goddess and their faith as his son and he knew that convincing the rest of the tribe to just ignore the goddess's instructions and go against them would be extremely hard.
And even though he was not involved in the massacre of the Warton tribe, it is still one of their own that did that, so if they just gave them away, they would lose the trust of the tribe members.
"Father, if he really uses all his weapons on us, not even an infant will live to see another day, don't you dare let your stupid faith and honor kill our tribe members. Every decision you will make would be catastrophically dangerous.