The Collaborative International Dictionary of English v.0.48:

Runagate \Run"a*gate\, n. [F. ren['e]gat, Prov. renegat. LL.
   renegatus; confused with E. run and gate a way. See
   Renegade.]
   A fugitive; a vagabond; an apostate; a renegade. See
   Renegade. --Bunyan.
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         Wretched runagates from the jail.        --De Quincey.
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         Who has not been a runagate from duty?   --Hare.
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