The Greek in Romans 5:4 that is translated as «character» (or «experience») in English is translated in the following ways:

• Pitjantjatjara: «we become with strength and don’t fall, and God seeing us is pleased» (source: Carl Gross)
• Hopi: «maturity»
• Isthmus Zapotec: «standing firm»
• Central Tarahumara: «being called as doers of good»
• Miahuatlán Zapotec: «showing people we really believe in Christ»
• Central Mazahua as «knowing that we passed well» (source for this and four above: Waterhouse / Parrott in Notes on Translation October 1967, p. 1ff.)
• Bariai «God is happy with us because we overcome/surpass various kinds of testings» (source: Bariai Back Translation)

See also complete verse (Romans 5:4).