The parent could discuss with the school or nursery how it could support that parent
alerting other caregivers and activity leaders (for example, relatives, childminders, family friends, club leaders) so they can be vigilant
asking trusted individuals close to the other parent to inform the parent with concerns of any suspicious activity, like sudden travel plans, giving up work or moving house
educate their child, if appropriate given their age, on what to do if someone tries to take them abroad—such as seeking help from police or airport security.1Reunite International. (2020).