Abdul Hadi Pasha
Banned
This is a very good suggestion, especially encouraging the immigration of Lebanese Maronites to Palestine.
The creation of a 'middle-man minority' between the British and the Arab Muslims, would strengthen the hold the British settlers would have on the territory.
You should probably read up on colonial history in the region. The British did use Arab Christians as middlemen to control the middle east. They used mostly Syrian Christians, but generally not Maronites, who had long and historic ties to France. Palestine used to have a large Christian minority until the Israelis shooed them all away.