The centurion (ho kenturiōn). A Latin word (centurio) used also in Mar 15:44 and here only in the N.T.
Which stood by over against him (ho parestēkōs ex enantias autou). This description alone in Mark, picturing the centurion “watching Jesus” (Mat 27:54).
So (houtōs). With the darkness and the earthquake. See note on Mat 27:54 for discussion of “the Son of God,” more probably “a Son of God.”