Faithful vs Unfaithful

♦ Faithful attitude/behavior:

" ﻭﺍﻟﻤﺆﻣﻨﻮﻥ ﻭﺍﻟﻤﺆﻣﻨﺎﺕ ﺑﻌﻀﻬﻢ ﺃﻭﻟﻴﺎﺀ ﺑﻌﺾ ﻳﺄﻣﺮﻭﻥ ﺑﺎﻟﻤﻌﺮﻭﻑ ﻭﻳﻨﻬﻮﻥ ﻋﻦ ﺍﻟﻤﻨﻜﺮ "

" wa-l-muʾminūna wa-l-muʾminātu baʿḍuhum ʾawliyāʾu baʿḍin yaʾmurūna bi-l-maʿrūfi wa-yanhawna ʿani l- munkari " - http://al-Quran.info/9/71/1

— [Excerpt from start of 9:71 of Quran]

English interpretation:
Faithful men and women are friends, protectors, guardians, supporters, helpers. They prevent the evil and the wrong. They are truthful. They do good and they bring good. Neither they physically harm nor do they mentally spoil.

♦ Unfaithful attitude/behavior:

" ﺍﻟﻤﻨﺎﻓﻘﻮﻥ ﻭﺍﻟﻤﻨﺎﻓﻘﺎﺕ ﺑﻌﻀﻬﻢ ﻣﻦ ﺑﻌﺾ ﻳﺄﻣﺮﻭﻥ ﺑﺎﻟﻤﻨﻜﺮ ﻭﻳﻨﻬﻮﻥ ﻋﻦ ﺍﻟﻤﻌﺮﻭﻑ ﻭﻳﻘﺒﻀﻮﻥ ﺃﻳﺪﻳﻬﻢ "

" l-munāfiqūna wa-l-munāfiqātu baʿḍuhum min baʿḍin yaʾmurūna bi-l-munkari wa-yanhawna ʿani l-maʿrūfi wa-yaqbiḍūna ʾaydiyahum " - http://al-Quran.info/9/67/1

— [Excerpt from start of 9:67 of Quran]

English interpretation:
Unfaithful men and women are like each other. They prevent and hide the good and the right. They do evil and they bring evil. They cheat and deceive. They physically harm and they mentally spoil.