Introduced in the first season, Ethan is the surgeon for the antagonistic and mysterious group known as the "Others".

In the near future, the world is divided into two antagonistic groups: city dwellers and country dwellers, called "muckfeet".

The leaders put aside the political differences between such mutually antagonistic groups and concentrated on anti-authoritarian protest and demands for political freedom.

He clarifies that this movement was not a single, royal-led, migration, but was rather accomplished by a series of small, sometimes mutually antagonistic groups.

The cultures represent relatively large -scale socio-economic interactions between disparate communities of the broad region, possibly including mutually antagonistic groups.

At the slightest stress, human beings seemed to divide themselves into antagonistic groups.

Second, the true story of St. Patrick carries a healing lesson for two of the most antagonistic ethnic groups in America.

Another focal point was providing space for meetings between antagonistic groups, giving support to local reconciliation activists by being present during their activities if necessary.

This emphasis on the combination of custody and treatment often results in two distinguished, mutually antagonistic groups of staff.

An unholy alliance is a coalition among seemingly antagonistic groups for ad hoc or hidden gain.