Sentence:  I am officially a <WSD>spelunker</WSD> – but not yet a caver. The dictionary definition of spelunking is “exploring caves for sport.” Serious enthusiasts shun the term, however. They are cavers. A <WSD>spelunker</WSD> is an inexperienced amateur. On this dry and balmy mid-November Saturday, our group contains three <WSD>spelunkers</WSD> and two cavers. 
Meaning of the word marked with <WSD> tags:  An amateur or inadequately prepared caver.