France, Jan. 26 -- One of France's biggest charities - founded by Resistance fighters and survivors of Nazi persecution - iscalling on supporters to give their time and social media clout, with financial strains hitting its donors.

The shift by Secours Populaire, which marks its 80th anniversary this year, reflects widespread changes in how French people engage with charitable causes, as France faces its highest poverty rates in decades.

The organisation has launched what it calls its "most solidarity-focused campaign", encouraging supporters to contribute through social media engagement and volunteering, alongside traditional monetary donations.

"People's time commitments have changed - it might be two hours or just one hour, or a sim...