You need to finish the initial Drifter gambit prime quest (looks like gold gambit coin with red/orange background).
English
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I'm not high enough level
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Ok? Then get high enough! That quest is needed to be finished before you start allegiance quest(s).
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Well I've done the gambit prime quest, but now I have to do a reckoning quest. When do I get to the alliance quest?
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After you fully complete the quest I mentioned (gold coin)