For those who don't want to discover them all yourself:
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Backgrounds:
Widow gives cunning / Princess gives etiquette / Scholar gives academics / Countess gives self defense / Court Lady gives politics / Pirate gives courage
People:
Ria gives charm / Emmett gives eloquence / Gisette/Jarrod ending gives manipulation / Gisette gives beauty / Woodly gives poise / Lisle gives history / Clarmont gives people knowledge / Hamin gives leadership / Ana gives grace / Lyon gives intelligence Zarad gives charisma / Jasper gives insight / Penelope gives *small) charm and (small) people / Cordelia gives (small) ettiquite and grace / Ava gives small intelligence and manipulation