Strong's G464 — ἀνταγωνίζομαι (verb)
antagonizomai (an-tag-o-nid'-zom-ai) v.
1. to struggle against
2. (figuratively) "antagonize"
[from G473 and G75]
KJV: strive against 
Root(s): G473, G75 
Hebrew root: ἀγωνίζομαι
Occurrences: 1