Based strictly on the provided information, Abel is a neighborhood boy living in rural Finland during the First World War. He befriends Katri, a hardworking girl newly employed by a local farmer while residing with her grandparents. Abel and another village boy become Katri's companions as she tends to her duties and daily life within the village. As a core member of the local children, Abel's interactions with Katri and his peer reflect the common childhood experiences shaping youth in their community. His presence contributes to portraying the bonds formed through shared tasks and the rhythms of agricultural life during this challenging historical era.