sn The word “spirit” probably refers to the Holy Spirit, in which case it would be rendered “in whom is the Spirit.” This would likely be a permanent endowment for Joshua. But it is also possible to take it to refer to a proper spirit to do all the things required of such a leader (which ultimately is a gift from the Spirit of God). The Hebrew text simply says “in whom is a spirit.”
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sn This symbolic act would indicate the transfer of leadership to Joshua.