s ▁School , ▁then ▁worked ▁for ▁a ▁small ▁publish er ▁for ▁a ▁time . ▁ ▁He ▁then ▁qualified ▁as ▁survey or ▁and ▁estate ▁agent , ▁with ▁a ▁view ▁to ▁entering ▁his ▁father ' s ▁business , ▁which ▁is ▁still ▁fl our ishing ▁today . ▁In ▁ 1 9 0 1 ▁he ▁joined ▁the ▁Fab ian ▁Society , ▁with ▁which ▁he ▁was ▁closely ▁involved ▁for ▁about ▁six ▁years . ▁From ▁ 1 9 0 7 ▁he ▁wrote ▁for ▁A . ▁R . ▁O rage ' s ▁The ▁New ▁Age . ▁In ▁ 1 9 0 8 ▁he ▁published ▁an ▁anonymous ▁bi ography ▁of ▁his ▁better - known ▁brother , ▁G . ▁K . ▁Ch est erton , ▁a ▁Crit ic ism , ▁but ▁his ▁author ship ▁was ▁quickly ▁discovered . ▁ ▁Ch est erton ▁had ▁been ▁one ▁of ▁the ▁' Ant i - P ur itan ▁League ' ▁of ▁the ▁ 1 8 9 0 s , ▁with ▁Stewart ▁Head lam ▁( who ▁stood ▁b ail ▁for ▁Oscar ▁Wil de ), ▁Ed gar ▁Je pson ▁and ▁his ▁brother ; ▁and ▁then ▁a ▁member ▁of ▁Henry ▁Holland ' s ▁Christian ▁Social ▁Union . ▁While ▁Ch est erton ▁was ▁writing ▁from ▁a ▁social ist ▁point ▁of ▁view ▁for ▁O rage , ▁he ▁was ▁also ▁moving ▁to ▁an ▁Ang lo - C atholic ▁religious ▁st ance . ▁In ▁ 1 9 1 1 ▁he ▁started ▁editor ial ▁work ▁for ▁Bel loc , ▁with ▁whom ▁he ▁wrote ▁in ▁The ▁Party ▁System , ▁a ▁criticism ▁of ▁party ▁politics .