Same word as kidder:
crude, green, guileless, inexperienced, infant, jejune, jellybean, juvenile, kid, low tech, naive, not dry behind ears, puerile, raw, sophomore, tenderfoot, unbaked, unfledged, unripe, unsophisticated, untrained, untried, young
crude, green, guileless, inexperienced, infant, jejune, jellybean, juvenile, kid, low tech, naive, not dry behind ears, puerile, raw, sophomore, tenderfoot, unbaked, unfledged, unripe, unsophisticated, untrained, untried, young