Luke 9:5 "And yet, as many people as may perhaps not continue welcoming and receiving you folks, when going out from that town be continuously shaking off the dust from your feet – pointing unto evidence (proof; or: leading into a testimony and a witness) upon them. note: Hospitality in those times and countries involved having a servant wash the feet of their guests; further: Jews did this when they left a Gentile country, so this would indicate that this town was being regarded as polluted and unholy, and in the same category as the Gentiles

JMNT⁽ⁱ⁾ ⁵ "And yet, as many people as may perhaps not continue welcoming and receiving you folks, when going out from that town be continuously shaking off the dust from your feet – [pointing] unto evidence (proof; or: [leading] into a testimony and a witness) upon them. [note: Hospitality in those times and countries involved having a servant wash the feet of their guests; further: Jews did this when they left a Gentile country, so this would indicate that this town was being regarded as polluted and unholy, and in the same category as the Gentiles]