# In the same way, their wives

Possible meaning is the wives of deacons. 

# be dignified

"act properly" or "be worthy of respect"

# should be dignified, not slanderers, but sober and faithful

"should be dignified; they should not speak evil about other people, and they should not do anything to excess; rather, they should be faithful"

# sober

"moderate." See how you translated "moderate" in 1 Timothy 3:2.