Spanish-American farm worker (4)
I believe the answer is:
peon
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spanish-american farm worker</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for peon that I've seen before include "A Mexican peasant or labourer" , "Spanish-American menial worker" , "Latin American farm labourer" , "Spanish-American farm worker" , "Spanish-American farm labourer" .)