The verse’s “leheitiv” is read as a ribbuy that includes benefiting third parties when it is within the swearer’s power.
Type of Learning: Ribbuy of benefiting third parties under “leheitiv.”
What Is Learned: An oath to benefit another (when it is in his power) and failure to do so can obligate the oleh ve-yored of shevu’as bitui. The verse’s language of “to benefit” is not limited to self-directed benefit.