disinterested witnes

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
DISINTERESTED WITNESS. One who has no interest in the cause or matter in 
issue, and who is lawfully competent to testify. 
     2. In North Carolina and Tennessee, wills to pass lands must be 
attested by disinterested witnesses. See Attesting Witness; Competent 
Witness; Credible Witness; Respectable Witness, and Witness. 
    

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