Beset - Vine's Expository Dictionary of New Testament Words
Beset[ 1,,G2139, euperistatos ]
used in Hebrews 12:1, and translated which doth so easily beset," lit. signifies "standing well (i.e., easily) around" (eu, "well," peri, "around," statos, "standing," i.e., easily encompassing). It describes sin as having advantage in favor of its prevailing.