statu liberi

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
STATU LIBERI, in Louisiana. Slaves for a time, who have acquired the right 
of being free at a time to come, or on a condition which is not fulfilled, 
or in a certain event which has not happened, but who, in the mean time, 
remain in a state of slavery. Code, art. 37. See 8 M. R. 219; 3 L. R. 176; 6 
L. R. 571; 4 N. S. 102; 7 N. S. 351. This is substantially the definition of 
the civil law. Hist. de la Jur. 1. 40; Dig. 40, 7, 1; Code, 7, 2, 13. 
    

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