Ecumenical movements within Protestantism have focused on determining a list of doctrines and practices essential to being Christian and thus extending to all groups which fulfill these basic criteria a ( more or less ) co-equal status , with perhaps one 's own group still retaining a `` first among equal '' standing . Ecumenical movements within Protestantism have focused on determining a list of doctrines and practices essential to being Christian and thus extending to all groups which fulfil these basic criteria a ( more or less ) co-equal status , with perhaps one 's own group still retaining a `` first among equal '' standing .