Fetching details from the dictionary...

friend; ally; supporter
taking sides (with); supporting; standing by; backing up
彼は私にとって大切な御方です。
He's an important ally to me.
この戦いで御方が増えてきた。
We've been gaining more allies in this fight.
御方が多いほど戦いでは心強い。
The more allies you have, the more reassuring it is in a fight.