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Support Job: Level 18.

Quest zone (2 options, but starting from Bastok, Selbina is best) Selbina.
Getting there: South gustaberg >>> all the way West then take the entrance to the north into...

I can't help you to meet people on shiva, unfortunately, but I can offer some quick advice. Look up the Trusts page on BG wiki. And be sure to work your way through the Records of Eminence quests in...