Someone who walks in a laborious heavy-footed manner.

synoniemen: slogger, trudger.

Someone who works slowly and monotonously for long hours.

synoniem: slogger.

Nederlands: ploeteraar, sappelaar, sjouwer, werkezel, werkpaard, zwoeger

Someone who moves slowly.

synoniemen: slowcoach, slowpoke, stick-in-the-mud.

Nederlands: treuzel
Pools: mucha w smole